1. Steel expands by about 1 part in 100,000 for each 1'C increase in temperature. a. How much longer will a piece of steel 1000 mm long (1 meter) be when its temperatur is increased by 10 C? b. How much longer will a piece of steel 1000 m long (1 kilometer) be when its temperature is increased by 10 .C? c. You place yourself between a wall and the end of a 1-m steel rod when the opposite end is securely fastened as shown. No harm comes to you if the temperature of the rod is increased a few degrees. Discuss the consequences of doing this with a rod many meters long